<?php
class MysqlliDb extends G_DB{
   
    public function escape($string) {
        
    }

    public function exec($sql) {
        
    }

    public function fetch($rs) {
        
    }

    public function free($rs) {
        
    }

    public function getAffectedRows($rs) {
        
    }

    public function getInsertId() {
        
    }

    public function query($sql) {
        
    }
}